2SB1109 。 Complementary pair with 2SB1109. / Applications 。 Low frequency high voltage amplifier. / Equivalent Circuit / Pinning 12 3 PIN1：Emitter PIN 2：Colle.

。 Low frequency high voltage amplifier. / Equivalent Circuit / Pinning 12 3 PIN1：Emitter PIN 2：Collector PIN 3：.

TO-126 NPN 。Silicon NPN transistor in a TO-126 Plastic Package.  / Features 2SB1109 。 Complementary pair with 2SB1109. / Applications 。 Low frequency high voltage amplifier. / Equivalent Circuit / Pinning 12 3 PIN1：Emitter PIN 2：Col.

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